/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.values;



import java.io.Serializable;

import java.util.Objects;



/** A key and a shard number. */

public class ShardedKey<K> implements Serializable {

  private static final long serialVersionUID = 1L;

  private final K key;

  private final int shardNumber;



  public static <K> ShardedKey<K> of(K key, int shardNumber) {

    return new ShardedKey<>(key, shardNumber);

  }



  private ShardedKey(K key, int shardNumber) {

    this.key = key;

    this.shardNumber = shardNumber;

  }



  public K getKey() {

    return key;

  }



  public int getShardNumber() {

    return shardNumber;

  }



  @Override

  public String toString() {

    return "key: " + key + " shard: " + shardNumber;

  }



  @Override

  public boolean equals(Object o) {

    if (!(o instanceof ShardedKey)) {

      return false;

    }

    ShardedKey<K> other = (ShardedKey<K>) o;

    return Objects.equals(key, other.key) && Objects.equals(shardNumber, other.shardNumber);

  }



  @Override

  public int hashCode() {

    return Objects.hash(key, shardNumber);

  }

}